BSI BS 2S 140 Specification for 2" % nickel-chromium- molybdenum steel billets, bars, forgings and parts (1 080-1 280 MPa: limiting ruling section 150 mm) - AMD 3529: August 1981; AMD 5678: October 1988; AMD 14159: May 30, 2003; AMD 14821: March 1, 2004
Другие Стандарты BSI





